# -*- coding: utf-8 -*-
# list
list = [1,2,3,4,5,6,7,8,9,0]
list.append(-1)
list.pop(0)
print(list)

print(list[:3])
# tuple
tuple = (1,2,3,4,5,6,7,8,9,0)
print(tuple)
print(tuple[:3])
